To keep in contact with an ever growing armada of spacecraft ESA has developed a tracking station network called ESTRACK. This is a worldwide system of ground stations providing links between satellites in ...
Nov 05, 2012
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David Wineland, who won the Nobel Prize for work in quantum physics with Serge Haroche of France, said our limited computers will "eventually" give way to super-fast, revolutionary ones. ...
Oct 10, 2012
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(Phys.org)—Researchers at the University of Southampton have developed a model which explains how the spin of a pulsar slows down as the star gets older.
Oct 09, 2012
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(Phys.org)—Researchers from the University of Zurich say that atomic clock technology has sufficiently progressed to the point that it should now be feasible to use them to measure the Earth's geoid, thereby ...
Oct 01, 2012
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(Phys.org)—The world's most stable laser – with frequency variation of no more than 2 parts in 10,000 trillion – has been developed and tested by an international collaboration of scientists at NIST/JILA ...
Sep 11, 2012
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A leap second will be introduced on 30 June 2012 following a decision made by the International Earth Rotation and Reference Systems Service (IERS) earlier this year. This could potentially be one of the last ...
Jun 29, 2012
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Horologists around the world on Saturday will carry out one of the weirdest operations of their profession: they will hold back time.
Jun 28, 2012
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Atomic clocks based on the oscillations of a cesium atom keep amazingly steady time and also define the precise length of a second. But cesium clocks are no longer the most accurate. That title has been transferred ...
Apr 30, 2012
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(Phys.org) -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental ...
Apr 27, 2012
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(Phys.org) -- When people think of space technologies, many think of high-tech solar panels, complex and powerful propulsion systems or sophisticated, electronic guidance systems. Another critical piece of ...
Apr 11, 2012
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Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...
Apr 04, 2012
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(PhysOrg.com) -- UK's National Physical Laboratory time scientists have made an accurate measurement of the highly forbidden octupole transition frequency in an ytterbium ion, which could be used as the basis ...
Mar 29, 2012
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Atomic clocks are the most accurate frequency standard and timing devices in the world. Their range of uses include being the international standard for timekeeping, managing broadcasts and satellite positioning, ...
Mar 28, 2012
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ColdQuanta Inc. of Boulder and the University of Colorado have finalized an agreement allowing ColdQuanta to commercialize cutting-edge physics research developed by CU-Boulder and SRI International. The licensed ...
Mar 19, 2012
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The faster a clock ticks, the more precise it can be. Due to the fact that lightwaves vibrate faster than microwaves, optical clocks can be more precise than the caesium atomic clocks which presently determine ...
Mar 09, 2012
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